/*
 * Copyright 2023-2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.ballcat.common.value;

import java.math.BigInteger;
import java.util.Iterator;
import java.util.List;

/**
 * @author lingting 2023-12-19 10:58
 */
public interface StepValue<T> extends Iterator<T> {

	T firt();

	/**
	 * 获取当前索引, 初始值为0
	 */
	BigInteger index();

	/**
	 * 重置索引为初始值
	 */
	void reset();

	/**
	 * 复制一份当前数据
	 */
	StepValue<T> copy();

	List<T> values();

	/**
	 * 返回下一个索引指向的元素
	 */
	@Override
	T next();

}
